Napa May 12 Weather Records

Daily averages and all-time records for weather in Napa, California for the date of May 12.
May 12 All-Time Records
1901–2024
Highest temperature 103 °F 1976
Lowest temperature 37 °F 2009
Lowest daily high 57 °F 1925
Highest daily low 57 °F 1976
Most precipitation 0.68 inches 1925
May 12 Average Weather
1991–2020 1
Average high 73.0 °F
Average low 46.9 °F
Chance precipitation 12.4%
Napa May 12 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 74 46 0.00 n/a
2022 70 38 0.00 n/a
2021 73 43 0.00 n/a
2020 67 51 0.32 n/a
2019 72 53 0.00 n/a
2018 80 53 0.00 n/a
2017 69 48 0.00 n/a
2016 70 46 0.00 n/a
2015 67 45 0.00 n/a
2014 84 39 0.00 n/a
2013 82 45 0.00 n/a
2012 77 44 0.00 n/a
2011 74 41 0.00 n/a
2010 70 38 0.00 n/a
2009 76 37 0.00 n/a
2008 76 40 0.00 n/a
2007 68 43 0.00 n/a
2006 73 47 0.00 n/a
2005 72 39 0.00 n/a
2004 77 43 0.00 n/a
2003 76 38 0.00 n/a
2002 79 37 0.00 n/a
2001 68 52 0.00 n/a
2000 69 38 0.00 n/a
1999 71 45 0.00 n/a
1998 59 49 0.49 0.0
1997 78 49 0.00 0.0
1996 90 54 0.00 0.0
1995 64 42 0.06 0.0
1994 76 49 0.00 0.0
1993 67 47 0.00 0.0
1992 73 47 0.00 0.0
1991 64 40 0.00 0.0
1990 72 47 0.00 0.0
1989 72 43 0.00 0.0
1988 86 51 0.00 0.0
1987 86 53 0.00 0.0
1986 80 44 0.00 0.0
1985 85 46 0.00 0.0
1984 87 56 0.01 0.0
1983 71 47 0.00 0.0
1982 69 44 0.00 0.0
1981 84 51 0.00 0.0
1980 67 40 0.02 0.0
1979 n/a n/a n/a n/a
1978 84 48 0.00 0.0
1977 60 50 0.06 0.0
1976 103 57 0.00 0.0
1975 88 48 0.00 0.0
1974 74 46 0.00 0.0
1973 80 53 0.00 0.0
1972 95 50 0.00 0.0
1971 68 50 0.00 0.0
1970 67 41 0.00 0.0
1969 65 51 0.00 0.0
1968 65 43 0.00 0.0
1967 69 48 0.00 0.0
1966 74 46 0.00 0.0
1965 84 46 0.00 0.0
1964 84 44 0.00 0.0
1963 69 39 0.00 0.0
1962 69 41 0.00 0.0
1961 72 39 0.00 0.0
1960 73 44 0.00 0.0
1959 75 50 0.00 0.0
1958 68 41 0.09 0.0
1957 66 42 0.00 0.0
1956 72 41 0.00 0.0
1955 81 48 0.00 0.0
1954 76 44 0.00 0.0
1953 73 41 0.00 0.0
1952 73 50 0.00 0.0
1951 65 38 0.00 0.0
1950 85 48 0.00 0.0
1949 72 50 0.00 0.0
1948 72 41 0.00 n/a
1947 61 50 0.00 n/a
1946 65 49 0.00 n/a
1945 62 57 0.00 n/a
1944 70 43 0.00 n/a
1943 n/a n/a 0.00 n/a
1942 64 40 0.00 n/a
1941 71 49 0.00 n/a
1940 75 45 0.00 n/a
1939 94 50 0.00 n/a
1938 76 48 0.00 n/a
1937 82 48 0.00 n/a
1936 72 50 0.00 n/a
1935 72 47 0.00 n/a
1934 74 48 0.00 n/a
1933 n/a n/a 0.00 n/a
1932 78 46 0.00 n/a
1931 80 49 0.00 n/a
1930 66 48 0.00 n/a
1929 86 42 0.00 n/a
1928 78 47 0.00 n/a
1927 83 45 0.00 n/a
1926 68 47 0.00 n/a
1925 57 52 0.68 n/a
1924 61 50 0.10 n/a
1923 73 45 0.00 n/a
1922 84 45 0.00 n/a
1921 81 45 0.00 n/a
1920 68 46 0.00 n/a
1919 79 40 0.00 n/a
1918 75 38 0.00 n/a
1917 69 48 0.00 n/a
1916 n/a n/a 0.00 n/a
1915 n/a n/a n/a n/a
1914 83 47 0.00 n/a
1913 70 51 0.00 n/a
1912 74 47 0.00 n/a
1911 67 46 0.00 0.0
1910 78 49 0.00 0.0
1909 74 41 0.00 n/a
1908 66 40 0.02 n/a
1907 71 46 0.00 n/a
1906 64 48 n/a n/a
1905 71 45 n/a n/a
1904 73 54 0.00 n/a
1903 78 50 0.00 n/a
1902 64 49 0.00 n/a
1901 74 57 0.00 n/a
What's the all-time high for Napa on 5/12?
For the date of May 12, the highest temperature ever reached in Napa history is 103 °F which happened in 1976.
Highest Temperatures in Napa on May 12
Rank Temperature Year
1 103 °F 1976
2 95 °F 1972
3 94 °F 1939
4 90 °F 1996
5 88 °F 1975
6 87 °F 1984
7 86 °F 1987
7 86 °F 1929
7 86 °F 1988
10 85 °F 1950
10 85 °F 1985
What's the all-time low for Napa on 5/12?
For the date of May 12, the lowest temperature ever reached in Napa history is 37 °F which has happened 2 times, most recently in 2009.
Lowest Temperatures in Napa on May 12
Rank Temperature Year
1 37 °F 2002
1 37 °F 2009
3 38 °F 2003
3 38 °F 2022
3 38 °F 1918
3 38 °F 1951
3 38 °F 2000
3 38 °F 2010
9 39 °F 1963
9 39 °F 2014
9 39 °F 2005
9 39 °F 1961
Lowest High Temperatures in Napa on May 12
Rank Temperature Year
1 57 °F 1925
2 59 °F 1998
3 60 °F 1977
4 61 °F 1947
4 61 °F 1924
6 62 °F 1945
7 64 °F 1902
7 64 °F 1991
7 64 °F 1906
7 64 °F 1995
7 64 °F 1942
What's the most it has ever rained in Napa on 5/12?
For the date of May 12, the most precipitation ever recorded in Napa history is 0.68 inches which happened in 1925.
All-Time Most Precipitation in Napa on May 12
Rank Precipitation Year
1 0.68 inches 1925
2 0.49 inches 1998
3 0.32 inches 2020
4 0.10 inches 1924
5 0.09 inches 1958
6 0.06 inches 1995
6 0.06 inches 1977
8 0.02 inches 1908
8 0.02 inches 1980
10 0.01 inches 1984
Weather Station Details
Years Station Coordinates
1999–2024 Napa County Airport location
1901–1998 Napa State Hospital location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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